REFERENCES
1. Freeman ML, Guda NM. ERCP cannulation: a review of reported techniques. Gastrointest Endosc 2005;61:112-25.
2. Testoni PA, Mariani A, Aabakken L, et al. Papillary cannulation and sphincterotomy techniques at ERCP: European Society of Gastrointestinal Endoscopy (ESGE) Clinical Guideline. Endoscopy 2016;48:657-83.
3. Tse F, Yuan Y, Moayyedi P, Leontiadis GI. Guide wire-assisted cannulation for the prevention of post-ERCP pancreatitis: a systematic review and meta-analysis. Endoscopy 2013;45:605-18.
4. Cennamo V, Bassi M, Landi S, et al. Wire-guided biliary cannulation: a comprehensive approach to a set of techniques. Eur J Gastroenterol Hepatol 2019;31:1299-305.
5. Nambu T, Ukita T, Shigoka H, Omuta S, Maetani I. Wire-guided selective cannulation of the bile duct with a sphincterotome: a prospective randomized comparative study with the standard method. Scand J Gastroenterol 2011;46:109-15.
6. Bassi M, Luigiano C, Ghersi S, et al. A multicenter randomized trial comparing the use of touch versus no-touch guidewire technique for deep biliary cannulation: the TNT study. Gastrointest Endosc 2018;87:196-201.
7. Albert JG, Lucas K, Filmann N, et al. A novel, stiff-shaft, flexible-tip guidewire for cannulation of biliary stricture during endoscopic retrograde cholangiopancreatography: a randomized trial. Endoscopy 2014;46:857-61.
8. Masci E, Mangiavillano B, Luigiano C, et al. Comparison between loop-tip guidewire-assisted and conventional endoscopic cannulation in high risk patients. Endosc Int Open 2015;3:E464-70.
9. Berry R, Han JY, Tabibian JH. Difficult biliary cannulation: Historical perspective, practical updates, and guide for the endoscopist. World J Gastrointest Endosc 2019;11:5-21.
10. Halttunen J, Meisner S, Aabakken L, et al. Difficult cannulation as defined by a prospective study of the Scandinavian Association for Digestive Endoscopy (SADE) in 907 ERCPs. Scand J Gastroenterol 2014;49:752-8.
11. Dumonceau JM, Devière J, Cremer M. A new method of achieving deep cannulation of the common bile duct during endoscopic retrograde cholangiopancreatography. Endoscopy 1998;30:S80.
12. Phillip V, Pukitis A, Epstein A, et al. Pancreatic stenting to prevent post-ERCP pancreatitis: a randomized multicenter trial. Endosc Int Open 2019;7:E860-8.
13. Dumonceau JM, Kapral C, Aabakken L, et al. ERCP-related adverse events: European Society of Gastrointestinal Endoscopy (ESGE) Guideline. Endoscopy 2020;52:127-49.
14. Tse F, Yuan Y, Moayyedi P, Leontiadis GI, Barkun AN. Double-guidewire technique in difficult biliary cannulation for the prevention of post-ERCP pancreatitis: a systematic review and meta-analysis. Endoscopy 2017;49:15-26.
15. Halttunen J, Keränen I, Udd M, Kylänpää L. Pancreatic sphincterotomy versus needle knife precut in difficult biliary cannulation. Surg Endosc 2009;23:745-9.
16. Pécsi D, Farkas N, Hegyi P, et al. Transpancreatic Sphincterotomy Is Effective and Safe in Expert Hands on the Short Term. Dig Dis Sci 2019;64:2429-44.
17. Kylänpää L, Koskensalo V, Saarela A, et al. Transpancreatic biliary sphincterotomy versus double guidewire in difficult biliary cannulation: a randomized controlled trial. Endoscopy 2021; doi: 10.1055/a-1327-2025.
18. Davee T, Garcia JA, Baron TH. Precut sphincterotomy for selective biliary duct cannulation during endoscopic retrograde cholangiopancreatography. Annals of gastroenterology. 2012;25(4):291-302.
19. Choudhary A, Winn J, Siddique S, et al. Effect of precut sphincterotomy on post-endoscopic retrograde cholangiopancreatography pancreatitis: a systematic review and meta-analysis. World J Gastroenterol 2014;20:4093-101.
20. Aabakken L, Osnes M. Endoscopic choledochoduodenostomy (ECDT) as palliative treatment of malignant periampullary obstructions of the common bile duct: a follow-up study. Gastrointest Endosc 1986;32:41-2.
21. Tyagi P, Sharma P, Sharma BC, Puri AS. Periampullary diverticula and technical success of endoscopic retrograde cholangiopancreatography. Surg Endosc 2009;23:1342-5.
22. Skar V, Skar AG, Bratlie J, Osnes M. Beta-glucuronidase activity in the bile of gallstone patients both with and without duodenal diverticula. Scand J Gastroenterol 1989;24:205-12.
23. Boix J, Lorenzo-Zúñiga V, Añaños F, Domènech E, Morillas RM, Gassull MA. Impact of periampullary duodenal diverticula at endoscopic retrograde cholangiopancreatography: a proposed classification of periampullary duodenal diverticula. Surg Laparosc Endosc Percutan Tech 2006;16:208-11.
24. Osnes M, Rosseland AR, Aabakken L. Endoscopic retrograde cholangiography and endoscopic papillotomy in patients with a previous Billroth-II resection. Gut 1986;27:1193-8.
25. Aabakken L, Bretthauer M, Line PD. Double-balloon enteroscopy for endoscopic retrograde cholangiography in patients with a Roux-en-Y anastomosis. Endoscopy 2007;39:1068-71.
26. Tanisaka Y, Ryozawa S, Mizuide M, et al. Status of single-balloon enteroscopy-assisted endoscopic retrograde cholangiopancreatography in patients with surgically altered anatomy: Systematic review and meta-analysis on biliary interventions. Dig Endosc 2020; doi: 10.1111/den.13878.